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Finding the Fourth Proportional to 162,622.82, 224,426.40 and 100,546.82

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Solution

The fourth proportional to 162,622.82, 224,426.40 and 100,546.82 is: 138,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,622.82 : 224,426.40 = 100,546.82 : x
  2. Step 2: Convert to fraction form
    162,622.82/224,426.40 = 100,546.82/x
  3. Step 3: Cross multiply
    162,622.82x = 224,426.40 × 100,546.82
  4. Step 4: Simplify right side
    162,622.82x = 22,565,360,844.05
  5. Step 5: Solve for x
    x = 22,565,360,844.05/162,622.82
  6. Step 6: Final answer
    x = 138,758.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.